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Algebra Difficulty 1.0 Junior Find the answer United Kingdom

The numbers $x$ and $y$ satisfy the equation $17x + 51y = 102$ . What is the value of $9x + 27y$ ?

(A) $54$ (B) $36$ (C) $34$ (D) $18$ (E) The value is undetermined.

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Source: UK Mathematics Trust, licensed © UK Mathematics Trust; past papers published free at ukmt.org.uk. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.